body::before {
    position: fixed;
    top: -5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, .8);
    height: 5px;
    z-index: 100;
    width: 100%;
    content: "";
}

.top-box {
    width: 100%;
    background-color: #105fa5;
    border-bottom: #D6BD88 5px solid;
}

.top-box-center {
    width: 1100px;
    margin: auto auto;
}

.top-header {
    height: 106px;
    width: 100%;
    padding-top: 10px;
    background: url(../img/heabd.jpg) center bottom no-repeat;
}

.top-header-image {
    float: left;
    width: 708px;
    height: 95px;
    background: url(../img/logo.png);
    background-size: 708px 95px;
}

.top-right {
    width: 217px;
    height: 31px;
    margin-top: 45px;
    float: right;
}

.search {
    width: 154px;
    height: 24px;
    border: 1px solid #d0d0d0;
}

input::placeholder {
    color: #d0d0d0;
    font-size: 12px;
}

input:focus {
    outline: none;
}

.search-input {
    float: left;
    height: 20px;
    width: 110px;
    background-color: #105fa5;
    color: #d0d0d0;
    border: none;
}



.search-icon {
    float: right;
    width: 32px;
    height: 24px;
    color: #ffffff;
    opacity: .6;
    text-align: center;
    line-height: 24px;
    cursor: pointer;
}

.back-url {
    font-size: 12px;
    margin-top: -25px;
    float: right;
}

.back-url>a {
    color: #ffffff;
}

.top-navbar {
    height: 45px;
    width: 1100px;
    /* background-color: #105fa5; */
    background-image: url(../img/navbd.jpg);
    border-top: 1px solid #3977ae;
}

.top-bar-button-box>.top-bar-button {
    float: left;
}

.top-bar-button {
    width: 100px;
    height: 42px;
    line-height: 42px;
    text-align: center;
    font-size: 16px;
    color: #ffffff;
    cursor: pointer;
    transition: all .4s ease-in-out;
}

.top-bar-button:hover {
    background-color: #1384e2;
}

.top-bar-button-dropdown-box {
    position: absolute;
    z-index: 100;
    overflow: hidden;
    background-color: #ffffff;
    height: 0px;
    transition: all .2s ease-in-out;
}

.have-dropdown-box:hover>.top-bar-button-dropdown-box {
    height: 240px;
}

.have-dropdown-box:hover>.top-bar-button-dropdown-box-160 {
    height: 160px;
}

.have-dropdown-box:hover>.top-bar-button-dropdown-box-120 {
    height: 120px;
}

.have-dropdown-box:hover>.top-bar-button-dropdown-box-80 {
    height: 80px;
}

.have-dropdown-box:hover>.top-bar-button-dropdown-box-320 {
    height: 320px;
}

.have-dropdown-box:hover>.top-bar-button-dropdown-box-200 {
    height: 200px;
}

.top-bar-button-dropdown-box-button {
    height: 40px;
    color: black;
    width: auto;
    padding: 0px 15px;
    transition: all .2s ease-in-out;
}

.top-bar-button-dropdown-box-button:hover {
    width: auto;
    background-color: #1384e2;
}